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AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas logo

AS399433

AS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas

United States (US)

ASN Information

AS NumberAS399433
AS NameAS-MS-78058
OrganizationAS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
Also known asNot available
CountryUnited States (US)
RegistryARIN
ASN TypeNot available
Last Seen
Announcement Count1
IPv4 Prefix Count1
IPv6 Prefix Count0
RPKI StatusNotFound ×1
IRR RecordsView IRR route objects
WebsiteNot available

AS Path to AS399433

  1. 49544i3Dnet i3D.net B.V
  2. 3356LEVEL3 - Level 3 Parent, LLC
  3. 399433Origin

Most common path, seen 6× in route collector data, latest at a collector in Eugene, OR (2026-10-23 12:45:31 UTC). Prepends collapsed.

Route Collectors (Visibility)

Sydney: 11 peer session(s)São Paulo: 16 peer session(s)Johannesburg: 19 peer session(s)Singapore: 21 peer session(s)Amsterdam: 24 peer session(s)London: 27 peer session(s)Eugene, OR: 55 peer session(s)
High (10+ peers)Medium (3–9)Low (1–2)

Approximate route collector locations, coloured by peer sessions carrying this AS's routes.

Announced Prefixes (1)

View All →
PrefixFamilyRPKILast Seen
8.17.21.0/24IPv4NotFoundNot looked up yet

Peers (2)

View All →
ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)172
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDAUpstream (inferred)1

Neighbours seen next to AS399433 in public AS paths. These are not confirmed BGP sessions; peer IP addresses and locations are not published by these sources.

Public Peering Exchange Points (0)

IX Updates →

No Internet Exchange ports are registered for AS399433.

IX ports registered by AS399433 (self-reported by the network).

Interconnection Facilities (0)

No interconnection facilities are registered for AS399433.

Data centres where AS399433 says it can interconnect (self-reported).

IRR AS-SET and Peering Policy

IRR AS-SETNot available
Member of AS-SETsSee IRR page
Peering policyNot available
Multiple locationsNot available
Ratio requirementNot available
ContractNot available
TrafficNot available
Traffic ratioNot available
Geographic scopeNot available
Max prefixes (IPv4 / IPv6)Not available
Unicast / IPv6 / MulticastNot available
Looking glassNot available
Route serverNot available

Contact Information (0)

No public contacts are registered for AS399433.

Only contacts the network has chosen to publish are shown.

Upstreams (2)

ASNameRelationshipPathsLast Seen
AS3356LEVEL3 - Level 3 Parent, LLCUpstream (inferred)172
AS271253AS271253 - LINK BRASIL TELECOMUNICACOES LTDAUpstream (inferred)1

Downstreams (0)

No downstream ASNs found for AS399433 in current data sources.

Registry and network details

Registered holderAS-MS-78058 - Blue Cross Blue Shield of Illinois or Blue Cross Blue Shield of Texas
RegisteredYes
Peering policyNot available
IRR AS-setNot available
Registry record last modifiedNot available
MaintainersNot available
Internet exchangesNot available
FacilitiesNot available
Network profile updatedNot available

Data updated . See limitations.